g++ -o tmp -g -Wall -std=c++11 data.cc
g++ -o tmp1 -g -Wall -std=c++11 .cc
g++ -o tmp2 -g -Wall -std=c++11 cmp.ccs

while true; do
./tmp>tmp.in
./tmp1<tmp.in>out1
./tmp2<tmp.in>out2
if diff out1 out2; then
echo AC
else
echo WA
#cat tmp.in
#cat out1 out2
exit 0
fi
done